Buffer overflow in Oracle Linux
CVE-2015-7512
Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.077 (94.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.077 · newest: 0.077 · change: 0.000
Affected products
- Oracle Linux — versions 6
- Qemu — versions 2.5.0
- Debian Linux — versions 7.0, 8.0
- Red Hat Enterprise Linux Desktop — versions 6.0
- Red Hat Enterprise Linux Eus — versions 6.7
- Red Hat Enterprise Linux Server — versions 6.0
- Red Hat Enterprise Linux Workstation — versions 6.0
- Red Hat OpenStack — versions 5.0
- Red Hat Virtualization — versions 3.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- rhn.redhat.com/errata/RHSA-2015-2694.html (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2015/11/30/3 (mailing-list, Mailing List, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (Third Party Advisory)
- git.qemu.org/
- www.debian.org/security/2016/dsa-3469 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2016/dsa-3470 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/78230 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securitytracker.com/id/1034527 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2016/dsa-3471 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201602-01 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-7512?
- CVE-2015-7512 is a critical-severity vulnerability in Oracle Linux, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.0/10. Published 2016-01-08.
- How severe is CVE-2015-7512?
- Critical severity. CVSS v3 base score is 9.0 out of 10.
- Is CVE-2015-7512 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.